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Is TfL losing the battle against heat on the Victoria line?
The Victoria line remains the hottest underground line, as TfL failed to reduce temperatures in 2024.
TfL’s Director of Customer Operations Nick Dent said that the organisation is working diligently to strengthen its transport services in light of increasingly extreme and frequent hot weather. The Victoria line has remained predominantly unaffected by TfL’s engineering efforts to cool down the temperatures – including tunnel ventilation installations, chiller systems pumping chilled air into mid-tunnel shafts and regenerative braking to reduce heat generated by trains breaking. The Senior Press Officer added that with many stations in close succession, the Victoria and Central lines experience frequent acceleration and braking, contributing to heat buildup within the tunnels.
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